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OpenBSD's stateful packet filter, PF, is the heart of the OpenBSD firewall. With more and more services placing high demands on bandwidth and an increasingly hostile Internet environment, no sysadmin can afford to be without PF expertise.
The third edition of The Book of PF covers the most up-to-date developments in PF, including new content on IPv6, dual stack configurations, the "queues and priorities" traffic-shaping system, NAT and redirection, wireless networking, spam fighting, failover provision ing, logging, and more.
You'll also learn how to:
Peter N. M. Hansteen is a consultant, writer, and sysadmin based in Bergen, Norway. A longtime Freenix advocate, Hansteen is a frequent lecturer on OpenBSD and FreeBSD topics, an occasional contributor to BSD Magazine, and the author of an often-slashdotted blog (http: //bsdly.blogspot.com/). Hansteen was a participant in the original RFC 1149 implementation team. The Book of PF is an expanded follow-up to his very popular online PF tutorial (http: //home.nuug.no/ peter/pf/).
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